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  1. Hadoop HDFS
  2. HDFS-4942 Add retry cache support in Namenode
  3. HDFS-5025

Record ClientId and CallId in EditLog to enable rebuilding retry cache in case of HA failover

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 3.0.0-alpha1
    • 2.1.0-beta
    • ha, namenode
    • None
    • Reviewed

    Description

      In case of HA failover, we need to be able to rebuild the retry cache in the other Namenode. We thus need to record client id and call id in the edit log for those "AtMostOnce" operations.

      Attachments

        1. editsStored
          4 kB
          Jing Zhao
        2. HDFS-5025.000.patch
          48 kB
          Jing Zhao
        3. HDFS-5025.001.patch
          91 kB
          Jing Zhao
        4. HDFS-5025.002.patch
          137 kB
          Jing Zhao
        5. HDFS-5025.003.patch
          147 kB
          Jing Zhao
        6. HDFS-5025.004.patch
          148 kB
          Jing Zhao
        7. HDFS-5025.005.patch
          149 kB
          Jing Zhao

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-9822 create constant MAX_CAPACITY in RetryCache rather than hard-coding 16 in RetryCache constructor

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-9821 ClientId should have getMsb/getLsb methods

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-5045 Add more unit tests for retry cache to cover all AtMostOnce methods

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Activity

            People

              jingzhao Jing Zhao
              jingzhao Jing Zhao
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              Dates

                Created:
                Updated:
                Resolved: